Home / 2,861.60-4,292.40-1,768.10

Finding the Fourth Proportional to 2,861.60, 4,292.40 and 1,768.10

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Solution

The fourth proportional to 2,861.60, 4,292.40 and 1,768.10 is: 2,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.60 : 4,292.40 = 1,768.10 : x
  2. Step 2: Convert to fraction form
    2,861.60/4,292.40 = 1,768.10/x
  3. Step 3: Cross multiply
    2,861.60x = 4,292.40 × 1,768.10
  4. Step 4: Simplify right side
    2,861.60x = 7,589,392.44
  5. Step 5: Solve for x
    x = 7,589,392.44/2,861.60
  6. Step 6: Final answer
    x = 2,652.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.